diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py index 1803a59d00..7bcf155e06 100644 --- a/cura/Settings/MachineManager.py +++ b/cura/Settings/MachineManager.py @@ -461,7 +461,7 @@ class MachineManager(QObject): @pyqtProperty(str, notify=activeQualityChanged) def activeQualityName(self): - if self._active_container_stack: + if self._active_container_stack and self._global_container_stack: quality = self._global_container_stack.findContainer({"type": "quality_changes"}) if quality and quality != self._empty_quality_changes_container: return quality.getName()